■ respectable 与 respectful

前者是本身正派、值得受人尊敬、殷实。

• young people from respectable homes正经人家的青年人
• That's not done in respectable society.上流社会是不这样干的。

后者则是尊重别人、有礼貌。

• to be respectful to age敬老
• to keep at a respectful distance敬而远之。

• not so much as
• not so much...as
• not so much as... 与 not so much... as...
• not to
• not to inf. 与 to not inf.
• not to say
• not without
• not所否定的范围
• novel
• now
• no 与 not
• no 与 yes
• number
• oats
• object
• objet d'art
• obligation
• obligation 与 duty
• obscene
• occupy
• occur
• of
• of
• of a
• of all